Molecular formula
C18H15N3O3
194 compounds have this formula on CompoundList.
- Molar mass
- 321.34g/mol
- Monoisotopic mass
- 321.1113Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H15N3O3 describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1867.28%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.71%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 313.08%14.007 × 3 = 42.021 g/mol
- O Oxygen × 314.94%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H15N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 194 of 194 compounds
2-(3-Nitrobenzyl)-6-(o-tolyl)pyridazin-3(2H)-one
CAS 899968-35-5C18H15N3O3
Methyl 2-methyl-4-(3-pyridylcarbonylamino)quinoline-6-carboxylate
CAS 953853-84-4C18H15N3O3
Methyl 2-methyl-4-(4-pyridylcarbonylamino)quinoline-6-carboxylate
CAS 953853-89-9C18H15N3O3
![N-(3-{[(2-Furylmethyl)amino]carbonyl}phenyl)isonicotinamide chemical structure, C18H15N3O3, CAS 940460-85-5](/s/QQMDTYHUGNJOIJ-UHFFFAOYSA-N.svg)
N-(3-{[(2-Furylmethyl)amino]carbonyl}phenyl)isonicotinamide
CAS 940460-85-5C18H15N3O3
N-(2-Oxo-2-phenylethyl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide
CAS 924831-81-2C18H15N3O3
2,4-Dioxo-3-phenyl-N-(prop-2-en-1-yl)-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892279-07-1C18H15N3O3
![4-[(4-Hydroxy-2-methyl-6-quinolyl)carbonylamino]benzamide chemical structure, C18H15N3O3, CAS 1010927-86-2](/s/CQVAPAWYLMVWRF-UHFFFAOYSA-N.svg)
4-[(4-Hydroxy-2-methyl-6-quinolyl)carbonylamino]benzamide
CAS 1010927-86-2C18H15N3O3
![Methyl 2-({[2-(3-pyridyl)-4-quinolyl]carbonyl}amino)acetate chemical structure, C18H15N3O3, CAS 1097590-48-1](/s/MCUXGWZZXSDYJJ-UHFFFAOYSA-N.svg)
Methyl 2-({[2-(3-pyridyl)-4-quinolyl]carbonyl}amino)acetate
CAS 1097590-48-1C18H15N3O3
![7-Methyl-4-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one chemical structure, C18H15N3O3, CAS 1105213-43-1](/s/AFUGHJHNYOLITG-UHFFFAOYSA-N.svg)
7-Methyl-4-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
CAS 1105213-43-1C18H15N3O3
4-(2-(5-Phenylisoxazol-3-yl)acetamido)benzamide
CAS 946341-58-8C18H15N3O3
![N'-[(Z)-Amino(2-oxo-2H-chromen-3-yl)methylidene]-4-methylbenzohydrazide chemical structure, C18H15N3O3, CAS 738620-76-3](/s/PNTVMHYTJLMLHQ-UHFFFAOYSA-N.svg)
N'-[(Z)-Amino(2-oxo-2H-chromen-3-yl)methylidene]-4-methylbenzohydrazide
CAS 738620-76-3C18H15N3O3
![N-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C18H15N3O3, CAS 1006512-02-2](/s/JLPQHMYKEAEHPP-UHFFFAOYSA-N.svg)
N-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1006512-02-2C18H15N3O3
![N-{[2-(Pyridin-2-yl)quinolin-4-yl]carbonyl}-beta-alanine chemical structure, C18H15N3O3, CAS 1219581-24-4](/s/QIUMDWVQXVKAGY-UHFFFAOYSA-N.svg)
N-{[2-(Pyridin-2-yl)quinolin-4-yl]carbonyl}-beta-alanine
CAS 1219581-24-4C18H15N3O3
N-(1H-Indazol-6-yl)-6-methoxy-3-methylbenzofuran-2-carboxamide
CAS 1219914-89-2C18H15N3O3
![(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acrylamide chemical structure, C18H15N3O3, CAS 1396892-38-8](/s/QZJXMYJCTOLRAD-FNORWQNLSA-N.svg)
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acrylamide
CAS 1396892-38-8C18H15N3O3
4-(3-(2-Oxopropanamido)phenyl)-1H-indole-7-carboxamide
CAS 1643568-73-3C18H15N3O3
![2-(1H-Benzo[d]imidazol-2(3H)-ylidene)-3-(3,5-dimethoxyphenyl)-3-oxopropanenitrile chemical structure, C18H15N3O3, CAS 476211-11-7](/s/ZZCRQBQHZLYGPU-VKAVYKQESA-N.svg)
2-(1H-Benzo[d]imidazol-2(3H)-ylidene)-3-(3,5-dimethoxyphenyl)-3-oxopropanenitrile
CAS 476211-11-7C18H15N3O3
Cyclohexanone, 2-(2-nitro-1(5H)-phenazinylidene)-
CAS 21589-32-2C18H15N3O3
![N-[3-[(4-Methylpyridin-2-yl)carbamoyl]phenyl]furan-2-carboxamide chemical structure, C18H15N3O3, CAS 791796-08-2](/s/CDGYZVCRYSONAF-UHFFFAOYSA-N.svg)
N-[3-[(4-Methylpyridin-2-yl)carbamoyl]phenyl]furan-2-carboxamide
CAS 791796-08-2C18H15N3O3
N-(4-Acetamidophenyl)-5-phenyl-1,2-oxazole-3-carboxamide
CAS 828293-73-8C18H15N3O3
![N-[2-(3-Methyl-4-nitro-5-isoxazolyl)vinyl][1,1'-biphenyl]-2-amine chemical structure, C18H15N3O3, CAS 241127-02-6](/s/KADYMYJLVQSSFU-VAWYXSNFSA-N.svg)
N-[2-(3-Methyl-4-nitro-5-isoxazolyl)vinyl][1,1'-biphenyl]-2-amine
CAS 241127-02-6C18H15N3O3
![(2-{[2-(Benzyloxy)phenyl]methylidene}-2-cyanoacetyl)urea chemical structure, C18H15N3O3, CAS 847782-14-3](/s/QRFQXEVEPURGOM-XNTDXEJSSA-N.svg)
(2-{[2-(Benzyloxy)phenyl]methylidene}-2-cyanoacetyl)urea
CAS 847782-14-3C18H15N3O3
N-(4-Acetylphenyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide
CAS 899741-12-9C18H15N3O3
N-(3-Acetylphenyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide
CAS 899968-99-1C18H15N3O3
- 2-(2-Methylbenzyl)-6-(3-nitrophenyl)pyridazin-3(2H)-one941973-09-7C18H15N3O3
- (2E)-N-[4-(4-Methoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-phenylprop-2-enamide898599-78-5C18H15N3O3
- 6,7-Dimethoxy-4-(oxindol-3-yl)quinazoline199327-56-5C18H15N3O3
- 3-(5-Amino-4-benzoyl-1H-pyrazol-1-yl)-4-methylbenzoic acid836682-63-4C18H15N3O3
- 2-(5-Methoxy-1-methyl-1H-indol-3-yl)-1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid479552-20-0C18H15N3O3
- 2-Cyclopropyl-1,3-dioxo-N-(pyridin-3-ylmethyl)-2,3-dihydro-1H-isoindole-5-carboxamide1081122-17-9C18H15N3O3
- Methyl 3-[(4-methyl-1-naphthoyl)amino]pyrazine-2-carboxylate870970-75-5C18H15N3O3
- N-{[2-(Pyridin-4-yl)quinolin-4-yl]carbonyl}-beta-alanine1351680-19-7C18H15N3O3
- (E)-3-(Furan-2-yl)-N-(2-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)phenyl)acrylamide1448139-36-3C18H15N3O3
- 1-(1H-Indol-3-yl)-2-(3-(pyridin-3-yloxy)azetidin-1-yl)ethane-1,2-dione1903684-48-9C18H15N3O3
- N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-1H-indole-2-carboxamide2034272-07-4C18H15N3O3
- N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-1H-indole-3-carboxamide2034413-70-0C18H15N3O3
- N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)indolizine-2-carboxamide2034415-04-6C18H15N3O3
- N-(2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide2034274-93-4C18H15N3O3
- N-(2-(5,7-Dioxo-5H-pyrrolo[3,4-b]pyridin-6(7H)-yl)ethyl)cinnamamide2035022-63-8C18H15N3O3
- N-(2-(4-(Furan-2-yl)-1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide2034511-42-5C18H15N3O3
- N-(2-(4-(Furan-3-yl)-1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide2034375-85-2C18H15N3O3
- N-[(6-Cyclopropylpyrimidin-4-yl)methyl]-2-oxo-2H-chromene-3-carboxamide2194905-07-0C18H15N3O3
- 7-Hydroxy-6-methoxy-4-(3-methylindol-5-yloxy)quinazoline288386-77-6C18H15N3O3
- N-[4-(Cyanomethyl)phenyl]-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide874584-64-2C18H15N3O3
- N-[5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]-3-phenylprop-2-enamide6282-45-7C18H15N3O3
- Benzyl N-[4-(2-oxo-1H-pyrimidin-5-yl)phenyl]carbamate64606-05-9C18H15N3O3
- N-(4-Acetylphenyl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide877649-84-8C18H15N3O3
- N-(3-Acetylphenyl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide877649-86-0C18H15N3O3
- N-{4-[(Furan-2-ylmethyl)carbamoyl]phenyl}pyridine-3-carboxamide1030464-90-4C18H15N3O3
- N-{4-[(Furan-2-ylmethyl)carbamoyl]phenyl}pyridine-4-carboxamide1030494-71-3C18H15N3O3
- 2-(4-Cyano-2-methoxyphenoxy)-N-(cyanomethyl)-N-phenylacetamide1240817-34-8C18H15N3O3
- 4-(2-Methoxyphenyl)-N-(3-nitrophenyl)pyridin-2-amine1395493-41-0C18H15N3O3
- 4-Cyclopropyl-2-nitro-N-(3-(3-isoxazolyl)phenyl)aniline1347101-06-7C18H15N3O3
- 3-Methyl-4-oxo-N-(2-oxo-2-phenylethyl)-3,4-dihydrophthalazine-1-carboxamide1574408-17-5C18H15N3O3
- (5-Nitro-2-furanyl)phenylmethanone 2-(phenylmethyl)hydrazone205643-29-4C18H15N3O3
- Benzyl (2-oxo-2H-[1,2'-bipyridin]-3-yl)carbamate1797435-80-3C18H15N3O3
- N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-5-(pyridin-3-yl)-1,2-oxazole-3-carboxamide2097918-61-9C18H15N3O3
- 3-(1-Oxo-5-(pyridin-2-yl)isoindolin-2-yl)piperidine-2,6-dione2710288-40-5C18H15N3O3
- Benzoic acid n'-(5-m-tolyl-isoxazole-3-carbonyl)-hydrazide2703756-84-5C18H15N3O3
- (1R,4R)-4-Benzyl-1-hydroxy-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione1174538-69-2C18H15N3O3
- 2'-Amino-1-methyl-2,4-dioxospiro[6,7-dihydro-5H-indole-3,4'-chromene]-3'-carbonitrile876717-84-9C18H15N3O3
- 2-Benzamido-N-(3-methyl-1,2-oxazol-5-yl)benzamide90059-31-7C18H15N3O3
- 4-{5-[2-(2,5-Dioxopyrrolidin-1-yl)ethoxy]pyridin-2-yl}benzonitrile918146-82-4C18H15N3O3
- 3-{5-[2-(2,5-Dioxopyrrolidin-1-yl)ethoxy]pyridin-2-yl}benzonitrile918146-84-6C18H15N3O3
- (6-Methoxy-1H-indazol-3-yl)(6-methoxy-1H-indol-3-yl)methanone1000343-83-8C18H15N3O3
- Methyl 2-[4-(2-pyridinylamino)phenoxy]-3-pyridinecarboxylate1231924-34-7C18H15N3O3
- 2-(4-Isopropoxy-1H-indazol-3-yl)-1H-isoindole-1,3(2H)-dione1353503-36-2C18H15N3O3
- N-(2-Carbamoyl-5-methyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide873053-46-4C18H15N3O3
- N'-(Benzoyloxy)[(quinolin-8-yl)oxy]ethanimidamide88758-58-1C18H15N3O3
- 2-((3-Cyanopyridin-2-yl)amino)ethyl 2H-chromene-3-carboxylate1385345-34-5C18H15N3O3
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(3-methoxyphenyl)pyrimidin-2-amine1354922-78-3C18H15N3O3
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(2-methoxyphenyl)pyrimidin-2-amine1354916-36-1C18H15N3O3
- Phenyl [6-(benzyloxy)pyridazin-3-yl]carbamate1008775-59-4C18H15N3O3
- 4-{[6-Ethyl-2-(pyridin-4-yl)pyrimidin-4-yl]oxy}benzoic acid1284237-38-2C18H15N3O3
- 4-[6,8-Bis(methyloxy)-3H-pyrazolo[3,4-c]isoquinolin-5-yl]phenol838855-37-1C18H15N3O3
- 4-[7,8-Bis(methyloxy)-3H-pyrazolo[3,4-c]isoquinolin-5-yl]phenol838855-35-9C18H15N3O3
- N-{[5-(1-Methyl-1H-pyrazol-5-yl)furan-2-yl]methyl}-1-benzofuran-2-carboxamide2415571-04-7C18H15N3O3
- 1-(4-Nitrophenyl)-3-[(quinolin-8-yl)amino]propan-1-one62365-97-3C18H15N3O3
- 2-[Benzyl(3-nitropyridin-2-yl)amino]phenol67443-27-0C18H15N3O3
- 2,3-Bis(4-hydroxyphenyl)-1,3a-dihydropyrazolo[1,5-a]pyrimidin-6-ol802919-19-3C18H15N3O3
- Mesalazine impurity 1771082-02-5C18H15N3O3
- Benzyl N-[5-(2-hydroxyphenyl)pyrazin-2-yl]carbamate2680699-06-1C18H15N3O3
- Benzyl N-(4-formyl-1-phenyl-1H-pyrazol-5-yl)carbamate2680884-40-4C18H15N3O3
- Benzyl N-(4-hydroxy-6-phenylpyrimidin-2-yl)carbamate2680745-87-1C18H15N3O3
- Benzyl N-[4-(2-hydroxyphenyl)pyrimidin-2-yl]carbamate2680873-38-3C18H15N3O3
- Benzyl N-[2-(3-hydroxyphenyl)pyrimidin-5-yl]carbamate2680741-31-3C18H15N3O3
- 3-Amino-6-(2-(benzyloxy)phenyl)pyrazine-2-carboxylic acid3078391-32-6C18H15N3O3
- 3-Amino-6-(3-(benzyloxy)phenyl)pyrazine-2-carboxylic acid3078410-20-2C18H15N3O3
- 3-Amino-6-(4-(benzyloxy)phenyl)pyrazine-2-carboxylic acid3078410-25-7C18H15N3O3
- 2-(2-((Benzyloxy)methyl)-5-cyano-1H-benzo[d]imidazol-1-yl)acetic acid1203600-55-8C18H15N3O3
- 3,7,11-Triaminotriphenylene-2,6,10-triol2552955-12-9C18H15N3O3
- Phenyl N-[5-(2-methoxyphenyl)pyrazin-2-yl]carbamate1432031-16-7C18H15N3O3
- 3-[(2-Methyl-3-pyridinyl)oxy]-5-phenoxypyridine-2-carboxamide1616810-12-8C18H15N3O3
- 2-Nitro-6-phenylmethoxy-4-pyridin-3-ylaniline1052686-53-9C18H15N3O3
Frequently asked questions
What is the molar mass of C18H15N3O3?
The molar mass of C18H15N3O3 is 321.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 321.1113 Da.
How many compounds have the formula C18H15N3O3?
CompoundList lists 194 compounds with the molecular formula C18H15N3O3, including 2-(3-Nitrobenzyl)-6-(o-tolyl)pyridazin-3(2H)-one, Methyl 2-methyl-4-(3-pyridylcarbonylamino)quinoline-6-carboxylate, Methyl 2-methyl-4-(4-pyridylcarbonylamino)quinoline-6-carboxylate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H15N3O3?
C18H15N3O3 has a degree of unsaturation of 13. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.